A RERA is “a sequency of breaths lasting at least 10 seconds characterized by increasing respiratory effort or flattening of the nasal pressure waveform leading to an arousal from sleep when the sequence of breaths does not meet the criteria for an apnea of hypopnea.”
“ With respect to scoring a RERA, use of esophageal pressure is the preferred method of assessing change in respiratory effort, although nasal pressure and inductance plethysmography can be used.”
Nasal cannula pressure transduction and respiratory inductance plethysmography are adapted approximations of their respective gold standards
They were designed to be more comfortable for the patient, and are used because they’ve been shown to be just as reliable
Overall, a nasal pressure sensor and effort belts using RIP technology are extremely helpful when scoring airflow events, especially if the event is ambiguous
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